../ dmsp_13_ephemeris_20040412.txt 22-Jun-2023 00:01 109774 dmsp_14_ephemeris_20040412.txt 22-Jun-2023 00:01 109618 dmsp_15_ephemeris_20040412.txt 22-Jun-2023 00:01 109683 dmsp_16_ephemeris_20040412.txt 22-Jun-2023 00:01 109701